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Variability in Atherosclerotic Disease Progression within the Infrainguinal Arterial Circulation is Dependent on Both Patient and Anatomical Factors.

Abstract：

BACKGROUND:Studies suggest 25% of patients with symptomatic peripheral arterial disease develop symptom progression over time, yet there is minimal data related to actual atherosclerotic progression. METHODS:Patients who underwent consecutive duplex imaging of the lower limb arteries, at least 6 months apart with no intervening arterial intervention, were identified. Atherosclerotic burden was determined for both femoropopliteal (FP) and crural (CR) arterial segments utilizing the Bollinger score (BoS). Overall change in BoS over time was determined, and patients were divided into group 1: disease progression and group 2: no change/disease regression. Patient demographics, comorbidities, and long-term outcomes were collated. RESULTS:A total of 215 FP segments (155 men; median age 74 years) were assessed with 82 limbs showing atherosclerotic disease progression. FP atherosclerotic progression was associated with increased age, a diagnosis of ischemic heart disease and hypertension, and a lack of prescription of both an antiplatelet therapy and an angiotensin-converting enzyme inhibitor (all P < 0.05). FP atherosclerotic progression was also associated with an increased longer term mortality rate. A total of 272 CR arterial segments (190 men; median age 74 years) were assessed with 86 limbs showing atherosclerotic disease progression. CR atherosclerotic disease progression was associated with a diagnosis of diabetes mellitus at baseline (P = 0.019). CONCLUSIONS:A number of variable factors predict atherosclerotic progression. Differences exist between factors and the arterial segments affected (FP/CR). This suggests that underlying atherosclerotic processes may vary depending on arterial segment, warranting further investigation.

journal_name

Ann Vasc Surg

journal_title

Annals of vascular surgery

authors

Zieliński LP,Chowdhury MM,Carter M,Worsfold BP,Coughlin PA

doi

10.1016/j.avsg.2017.04.033

subject

Has Abstract

pub_date

2017-10-01 00:00:00

pages

289-298

eissn

0890-5096

issn

1615-5947

pii

S0890-5096(16)31403-0

journal_volume

pub_type

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Variability in Atherosclerotic Disease Progression within the Infrainguinal Arterial Circulation is Dependent on Both Patient and Anatomical Factors.